netconsole: selftests: Move netconsole selftests to separate target

This patch moves netconsole selftests from drivers/net to its own target
in drivers/net/netconsole.

This change helps saving some resources from CI since tests in
drivers/net automatically run against real hardware which are not used
by netconsole tests as they rely solely on netdevsim.

lib_netcons.sh is kept under drivers/net/lib since it is also used by
bonding selftests. Finally, drivers/net config remains unchanged as
netpoll_basic.py requires netconsole (and does leverage real HW testing).

Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Andre Carvalho <asantostc@gmail.com>
Link: https://patch.msgid.link/20260127-netcons-selftest-target-v2-1-f509ab65b3bc@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

MAINTAINERS

@@ -18021,7 +18021,7 @@ S:	Maintained
 F:	Documentation/networking/netconsole.rst
 F:	drivers/net/netconsole.c
 F:	tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh
-F:	tools/testing/selftests/drivers/net/netcons\*
+F:	tools/testing/selftests/drivers/net/netconsole/
 
 NETDEVSIM
 M:	Jakub Kicinski <kuba@kernel.org>

tools/testing/selftests/Makefile

@@ -22,6 +22,7 @@ TARGETS += drivers/ntsync
 TARGETS += drivers/s390x/uvdevice
 TARGETS += drivers/net
 TARGETS += drivers/net/bonding
+TARGETS += drivers/net/netconsole
 TARGETS += drivers/net/team
 TARGETS += drivers/net/virtio_net
 TARGETS += drivers/platform/x86/intel/ifs

tools/testing/selftests/drivers/net/Makefile

@@ -15,13 +15,6 @@ TEST_PROGS := \
 	hds.py \
 	napi_id.py \
 	napi_threaded.py \
-	netcons_basic.sh \
-	netcons_cmdline.sh \
-	netcons_fragmented_msg.sh \
-	netcons_overflow.sh \
-	netcons_resume.sh \
-	netcons_sysdata.sh \
-	netcons_torture.sh \
 	netpoll_basic.py \
 	ping.py \
 	psp.py \

tools/testing/selftests/drivers/net/netconsole/Makefile

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+
+TEST_INCLUDES := \
+	../../../net/lib.sh \
+	../lib/sh/lib_netcons.sh \
+# end of TEST_INCLUDES
+
+TEST_PROGS := \
+	netcons_basic.sh \
+	netcons_cmdline.sh \
+	netcons_fragmented_msg.sh \
+	netcons_overflow.sh \
+	netcons_resume.sh \
+	netcons_sysdata.sh \
+	netcons_torture.sh \
+# end of TEST_PROGS
+
+include ../../../lib.mk
+

tools/testing/selftests/drivers/net/netconsole/config

@@ -0,0 +1,6 @@
+CONFIG_CONFIGFS_FS=y
+CONFIG_IPV6=y
+CONFIG_NETCONSOLE=m
+CONFIG_NETCONSOLE_DYNAMIC=y
+CONFIG_NETCONSOLE_EXTENDED_LOG=y
+CONFIG_NETDEVSIM=m

tools/testing/selftests/drivers/net/netconsole/netcons_basic.sh

@@ -18,7 +18,7 @@ set -euo pipefail
 
 SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
 
-source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh
+source "${SCRIPTDIR}"/../lib/sh/lib_netcons.sh
 
 modprobe netdevsim 2> /dev/null || true
 modprobe netconsole 2> /dev/null || true

tools/testing/selftests/drivers/net/netconsole/netcons_cmdline.sh

@@ -12,7 +12,7 @@ set -euo pipefail
 
 SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
 
-source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh
+source "${SCRIPTDIR}"/../lib/sh/lib_netcons.sh
 
 check_netconsole_module
 

tools/testing/selftests/drivers/net/netconsole/netcons_fragmented_msg.sh

@@ -16,7 +16,7 @@ set -euo pipefail
 
 SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
 
-source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh
+source "${SCRIPTDIR}"/../lib/sh/lib_netcons.sh
 
 modprobe netdevsim 2> /dev/null || true
 modprobe netconsole 2> /dev/null || true

tools/testing/selftests/drivers/net/netconsole/netcons_overflow.sh

@@ -13,7 +13,7 @@ set -euo pipefail
 
 SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
 
-source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh
+source "${SCRIPTDIR}"/../lib/sh/lib_netcons.sh
 # This is coming from netconsole code. Check for it in drivers/net/netconsole.c
 MAX_USERDATA_ITEMS=256
 

tools/testing/selftests/drivers/net/netconsole/netcons_resume.sh

@@ -20,7 +20,7 @@ set -euo pipefail
 
 SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
 
-source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh
+source "${SCRIPTDIR}"/../lib/sh/lib_netcons.sh
 
 SAVED_SRCMAC="" # to be populated later
 SAVED_DSTMAC="" # to be populated later

tools/testing/selftests/drivers/net/netconsole/netcons_sysdata.sh

@@ -18,7 +18,7 @@ set -euo pipefail
 
 SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
 
-source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh
+source "${SCRIPTDIR}"/../lib/sh/lib_netcons.sh
 
 # Enable the sysdata cpu_nr feature
 function set_cpu_nr() {

tools/testing/selftests/drivers/net/netconsole/netcons_torture.sh

@@ -17,7 +17,7 @@ set -euo pipefail
 
 SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")")
 
-source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh
+source "${SCRIPTDIR}"/../lib/sh/lib_netcons.sh
 
 # Number of times the main loop run
 ITERATIONS=${1:-150}